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Finding the Fourth Proportional to 379.53, 568.65 and 341.49

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Solution

The fourth proportional to 379.53, 568.65 and 341.49 is: 511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.53 : 568.65 = 341.49 : x
  2. Step 2: Convert to fraction form
    379.53/568.65 = 341.49/x
  3. Step 3: Cross multiply
    379.53x = 568.65 × 341.49
  4. Step 4: Simplify right side
    379.53x = 194,188.29
  5. Step 5: Solve for x
    x = 194,188.29/379.53
  6. Step 6: Final answer
    x = 511.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.